darkcomet | cb46ff69389607aa3e2d0f24fe646dbba62b425f421db8322b9c58766375541a

System Information Discovery

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exewinupdate.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winupdate.exe

Executes dropped EXE 1 IoCs

Processes:

winupdate.exe

pid process

2828 winupdate.exe
Loads dropped DLL 4 IoCs

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exewinupdate.exe

pid process

2084 76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
2828 winupdate.exe
2828 winupdate.exe
2828 winupdate.exe

pid	process
2828	winupdate.exe

pid	process
2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
2828	winupdate.exe
2828	winupdate.exe
2828	winupdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe

description pid process target process

PID 2084 set thread context of 2876 2084 76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe explorer.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2676 2876 WerFault.exe explorer.exe

description	pid	process	target process
PID 2084 set thread context of 2876	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	explorer.exe

pid	pid_target	process	target process
2676	2876	WerFault.exe	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exeDllHost.exeexplorer.exewinupdate.exeping.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ping.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
discovery

Internet Connection Discovery
T1016.001

Processes:

ping.exe

pid process

2584 ping.exe

pid	process
2584	ping.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exewinupdate.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winupdate.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exewinupdate.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winupdate.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

ping.exe

pid process

2584 ping.exe

pid	process
2584	ping.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exewinupdate.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeSecurityPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeBackupPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeRestorePrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeShutdownPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeDebugPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeUndockPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: 33	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: 34	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: 35	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2828	winupdate.exe
Token: SeSecurityPrivilege	2828	winupdate.exe
Token: SeTakeOwnershipPrivilege	2828	winupdate.exe
Token: SeLoadDriverPrivilege	2828	winupdate.exe
Token: SeSystemProfilePrivilege	2828	winupdate.exe
Token: SeSystemtimePrivilege	2828	winupdate.exe
Token: SeProfSingleProcessPrivilege	2828	winupdate.exe
Token: SeIncBasePriorityPrivilege	2828	winupdate.exe
Token: SeCreatePagefilePrivilege	2828	winupdate.exe
Token: SeBackupPrivilege	2828	winupdate.exe
Token: SeRestorePrivilege	2828	winupdate.exe
Token: SeShutdownPrivilege	2828	winupdate.exe
Token: SeDebugPrivilege	2828	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2828	winupdate.exe
Token: SeChangeNotifyPrivilege	2828	winupdate.exe
Token: SeRemoteShutdownPrivilege	2828	winupdate.exe
Token: SeUndockPrivilege	2828	winupdate.exe
Token: SeManageVolumePrivilege	2828	winupdate.exe
Token: SeImpersonatePrivilege	2828	winupdate.exe
Token: SeCreateGlobalPrivilege	2828	winupdate.exe
Token: 33	2828	winupdate.exe
Token: 34	2828	winupdate.exe
Token: 35	2828	winupdate.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid process

316 DllHost.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

winupdate.exeDllHost.exe

pid process

2828 winupdate.exe
316 DllHost.exe
316 DllHost.exe
316 DllHost.exe
316 DllHost.exe

pid	process
316	DllHost.exe

pid	process
2828	winupdate.exe
316	DllHost.exe
316	DllHost.exe
316	DllHost.exe
316	DllHost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exeexplorer.exe

description	pid	process	target process
PID 2084 wrote to memory of 2876	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	explorer.exe
PID 2084 wrote to memory of 2876	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	explorer.exe
PID 2084 wrote to memory of 2876	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	explorer.exe
PID 2084 wrote to memory of 2876	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	explorer.exe
PID 2084 wrote to memory of 2876	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	explorer.exe
PID 2084 wrote to memory of 2876	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	explorer.exe
PID 2876 wrote to memory of 2676	2876	explorer.exe	WerFault.exe
PID 2876 wrote to memory of 2676	2876	explorer.exe	WerFault.exe
PID 2876 wrote to memory of 2676	2876	explorer.exe	WerFault.exe
PID 2876 wrote to memory of 2676	2876	explorer.exe	WerFault.exe
PID 2084 wrote to memory of 2828	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	winupdate.exe
PID 2084 wrote to memory of 2828	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	winupdate.exe
PID 2084 wrote to memory of 2828	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	winupdate.exe
PID 2084 wrote to memory of 2828	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	winupdate.exe
PID 2084 wrote to memory of 2828	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	winupdate.exe
PID 2084 wrote to memory of 2828	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	winupdate.exe
PID 2084 wrote to memory of 2828	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	winupdate.exe
PID 2084 wrote to memory of 2584	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	ping.exe
PID 2084 wrote to memory of 2584	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	ping.exe
PID 2084 wrote to memory of 2584	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	ping.exe
PID 2084 wrote to memory of 2584	2084	76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe	ping.exe

C:\Users\Admin\AppData\Local\Temp\76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 92
    3⤵
    - Program crash
    PID:2676
- C:\Windupdt\winupdate.exe
  "C:\Windupdt\winupdate.exe"
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2828
- C:\Windows\SysWOW64\ping.exe
  ping 127.0.0.1 -n 5 > NUL del "C:\Users\Admin\AppData\Local\Temp\76b9d8f69e9fb4a5a9d8efb9b98ded46_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:2584

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

3

Remote System Discovery

T1018

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery